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Improvement and water and soil preserving method for soil of karst rocky desertification region

A technology of soil improver and water and soil conservation agent, which is applied in the direction of chemical instruments and methods, soil preparation methods, soil conditioning materials, etc., can solve problems such as no effect, exhausted soil loss, etc., to improve physical and chemical properties, reduce improvement costs, The effect of increasing speed and success rate

Inactive Publication Date: 2019-04-26
QINZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For areas with serious rocky desertification, the restoration of vegetation in the original rocky desertification area has almost no effect, because a few heavy rains will completely lose the foreign soil that has been moved.

Method used

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  • Improvement and water and soil preserving method for soil of karst rocky desertification region
  • Improvement and water and soil preserving method for soil of karst rocky desertification region

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A soil improvement and soil and water conservation method in a karst rocky desertification area, comprising the following steps:

[0029] (1) Change slopes to ladders in areas that need to be improved to obtain ladder layers; and build stone ridge slopes around each embankment layer;

[0030] (2) plowing the soil of each ladder layer to obtain the cultivated layer;

[0031] (3) set up drainage ditches on each plow layer, and described drainage ditches extend to the outside of the ladder layer through the stone ridge slope;

[0032] (4) Soil nutrients, soil improvers, soil fixatives and soil and water conservation agents are blended into each plow layer, and the blending amounts of soil nutrients, soil improvers, soil fixatives and soil and water conservation agents are: Mix 150g of soil nutrient, 100g of soil improver, 80g of soil fixative and 50g of soil and water conservation agent in every 1kg of soil.

[0033] The soil nutrient is humic acid soil near the area to ...

Embodiment 2

[0042] A soil improvement and soil and water conservation method in a karst rocky desertification area, comprising the following steps:

[0043] (1) Change slopes to ladders in areas that need to be improved to obtain ladder layers; and build stone ridge slopes around each embankment layer;

[0044] (2) plowing the soil of each ladder layer to obtain the cultivated layer;

[0045] (3) set up drainage ditches on each plow layer, and described drainage ditches extend to the outside of the ladder layer through the stone ridge slope;

[0046] (4) Soil nutrients, soil improvers, soil fixatives and soil and water conservation agents are blended into each plow layer, and the blending amounts of soil nutrients, soil improvers, soil fixatives and soil and water conservation agents are: Mix 250g of soil nutrient, 250g of soil improver, 100g of soil fixative and 75g of soil and water conservation agent in every 1kg of soil.

[0047] The soil nutrient is humic acid soil near the area to...

Embodiment 3

[0056] A soil improvement and soil and water conservation method in a karst rocky desertification area, comprising the following steps:

[0057] (1) Change slopes to ladders in areas that need to be improved to obtain ladder layers; and build stone ridge slopes around each embankment layer;

[0058] (2) plowing the soil of each ladder layer to obtain the cultivated layer;

[0059] (3) set up drainage ditches on each plow layer, and described drainage ditches extend to the outside of the ladder layer through the stone ridge slope;

[0060] (4) Soil nutrients, soil improvers, soil fixatives and soil and water conservation agents are blended into each plow layer, and the blending amounts of soil nutrients, soil improvers, soil fixatives and soil and water conservation agents are: Mix 400g of soil nutrient, 400g of soil improver, 120g of soil fixative and 100g of soil and water conservation agent in every 1kg of soil.

[0061] Among them, the soil nutrient is humic acid soil nea...

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Abstract

The invention belongs to the technical field of vegetation and ecological environment rehabilitation project of the karst rocky desertification region, and discloses an improvement and water and soilpreserving method for soil of the karst rocky desertification region, comprising the following steps: performing slope-to-terrace on the region needing to be improved, to obtain a terrace layer; building a stone ridge slope at the periphery of each layer of the embankment layer; turning over soil of each layer of the terrace layer, to obtain a plough layer; forming drainage ditches in each ploughlayer, wherein the drainage ditches penetrate through the stone ridge slope and extend out of the terrace layer; and blending a soil nutrient, a soil conditioner, a soil fixing reagent and a water andsoil preserving reagent to each plough layer, wherein the blending amount of the soil nutrient, the soil conditioner, the soil fixing reagent and the water and soil preserving reagent is: each 1kg ofsoil is blended with 150-400g of soil nutrient, 100-400g of soil conditioner, 80-120g of soil fixing reagent, and 50-100g of water and soil preserving reagent. The method disclosed by the invention can increase the water holding capacity of the soil and reduce water and soil loss.

Description

technical field [0001] The invention belongs to the technical field of vegetation and ecological environment reconstruction engineering in karst rocky desertification areas, and particularly relates to a soil improvement and water and soil conservation method in karst rocky desertification areas. Background technique [0002] my country is a large karst country with a karst area of ​​3.44 million km 2 , accounting for 1 / 3 of the country's land area. Southwest my country is the core part of East Asia, one of the world's three major karst distribution areas. Carbonate rock is the matrix and cause of land rocky desertification, and the karst environment formed is the most basic regional condition in the southwest karst region. Moreover, the expansion of karst rocky desertification is the biggest threat to the survival and production environment of farmers in the southwest karst region. [0003] Among them, Guangxi Zhuang Autonomous Region is a typical subtropical karst area ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00C09K17/40C05G3/00C05G3/04C09K105/00C05G3/80
CPCA01B79/00C05D1/00C05G3/00C09K17/40C09K2105/00C05G3/80C05D9/00C05F3/00C05F5/002C05F11/00C05G1/00Y02P60/20
Inventor 孙慧李继光唐政李慧李忠芳王其传娄翼来
Owner QINZHOU UNIV
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